Measures of Dispersion
This lecture series discusses measures of dispersion (interquartile range, variance, and standard deviation). Watch these videos and complete the interactive exercises.
Practice
Visually assess standard deviation - Questions
1. Each dot plot below represents a different set of data.
Order the data sets from largest standard deviation (top) to smallest standard deviation (bottom).
2. Each dot plot below represents a different set of data.
Order the data sets from largest standard deviation (top) to smallest standard deviation (bottom).
3. Each dot plot below represents a different set of data.
Order the data sets from largest standard deviation (top) to smallest standard deviation (bottom).
4. Each dot plot below represents a different set of data.
Order the data sets from largest standard deviation (top) to smallest standard deviation (bottom).
